BMS 110 Macromolecules
The -CO2 group of an amino acid.
carboxyl group
The building block of large carbohydrates is ____.
glucose
A carbohydrate composed of many rings is called a ___.
polysaccharide
The sequence of amino acids in a protein represents its ____.
primary structure
A nitrogenous base composed of two fused rings
purine
A nitrogenous base composed of one ring
pyrimidine
What fat is the building block for cell membranes?
phospholipids
What are the 4 types of macromolecules?
carbohydrates, lipids, proteins, nucleic acids
How many bonds do unsaturated fats have?
1
What kind of bonds do adenine and thymine have?
2 hydrogen bonds
There are ___ different amino acids.
20
What kind of bonds do guanine and cytosine have?
3 hydrogen bonds
What contains C:H:O in a 1:2:1 ratio?
Carbohydrates
The -NH2 group of an amino acid.
amino group
The two strands in DNA have what orientation?
antiparallel
What do one galactose and one glucose make?
lactose
What do two glucoses make?
maltose
RNA is composed of ___.
nucleotides
A nucleotide is composed of at least one sugar, one phosphate group, and ____.
one nitrogen-containing base
Amino acids are held together by ___ bonds.
peptide
During a synthesis reaction, glucose and fructose combine to form ___.
sucrose
What level of protein structure is associated with the folding of coils and sheets to form a hollow region through which substances can move into and out of cells?
tertiary
The most abundant lipids in the body are ____.
triglycerides